5.0Ah 18V Battery for Bosch BAT609 BAT618 | NZ Stock

Refresh your compatible Bosch 18V tool kit

Replace an ageing pack or add a spare with this 18V 5.0Ah lithium-ion battery for compatible Bosch cordless tools. Its listed 5000mAh capacity offers a practical option for Kiwi builders, electricians, mechanics and home workshop users who want another battery ready for the next task.

Available from Technsave for NZ$79.99, with New Zealand-held stock, Auckland dispatch, free standard tracked NZ shipping and a 6-month product warranty.

Third-party replacement: this battery is not manufactured by Bosch and is not a genuine Bosch OEM battery. Bosch names and model numbers identify the intended compatibility.

5.0Ah capacity for your battery rotation

A battery's amp-hour rating describes its charge capacity. At the same nominal voltage, a listed 5.0Ah pack has more nominal capacity than a 2.0Ah or 3.0Ah pack. Actual runtime depends on the tool, workload, temperature, battery condition and cell performance.

Keep a compatible spare charged so you can swap packs when needed. Capacity alone does not guarantee all-day runtime, greater torque or suitability for every high-draw tool.

Battery replacement references

The existing product specification lists the following replacement part references. Match your original battery number, voltage, connector and mounting interface before ordering.

• BAT609 and BAT609G
• BAT618 and BAT618G
• BAT619 and BAT619G
• 2607336091 / 2 607 336 091
• 2607336092 / 2 607 336 092
• 2607336169 / 2 607 336 169
• 2607336170 / 2 607 336 170
• 2607336236 / 2 607 336 236

Listed compatible tool models

These model references are retained from the existing listing. Compatibility is model-specific: do not assume that every Bosch 18V tool, or every tool sharing a similar family name, uses the same battery system.

G-series tool references

• Drills: GSR 18V-LI, GSR 18V-LIN, GSR 18VE-2-LI, GSR 18-2-LI, GSB 18V-LI, GSB 18V-LIN, GSB 18VE-2-LI and GSB 18-2-LI.
• Impact drivers and wrenches: GDR 18V-LI, GDR 18V-LI MF, GDR 18-LI, GDS 18V-LI, GDS 18V-LI HT and GDX 18 V-LI.
• Saws: GCB 18V-LI, GKS 18V-LI, GSA 18V-LI and GST 18V-LI.
• Grinders: GGS 18 V-LI and GWS 18V-LI.
• Other references: GBH 18V-LI, GBH 18 VH, GHO 18 V-LI and GSK 18V-LI.

Additional tool references

17618, 17618-01, 24618-01, 25618, 25618-01, 25618-02, 26618, 26618-01, 3601H61S10, 36618-02, 37618, 37618-01, BSH180, CAG180-01, CCS180, CCS180B, CCS180K, CFL180, CFL180B, CRS180, CRS180B, CRS180K, DDS180-01, DDS180-03, DGSH-181, FHN180, HDS180-03, HTH181-01, HTH182-01, IWH181-01, IWHT180-01, IWHT181-01, JSH180-01, PB360S, RHH180-01 and RHS181-01.

If your exact model is missing, or the battery fitment differs, contact Technsave before purchasing. References are reproduced as listed; check the complete model code on your tool.

Technical specifications

The Technsave NZ trade advantage

• NZ-held stock: dispatched locally from Auckland, without ordering this item from an overseas seller.
• Free standard tracked NZ shipping: delivery across the North and South Islands.
• Estimated delivery: 1–3 business days after dispatch, not a guaranteed arrival date from the time of ordering.
• GST invoice available on request: request a GST tax invoice for your business purchase.
• 6-month product warranty: in addition to applicable rights under New Zealand's Consumer Guarantees Act.

Frequently asked questions

Where can I buy an affordable 5.0Ah replacement battery for compatible Bosch 18V tools in New Zealand?

Technsave sells this third-party 18V 5.0Ah lithium-ion replacement battery at technsave.nz. The listed price is NZ$79.99. New Zealand-held stock is dispatched from Auckland, with free standard tracked NZ shipping and estimated delivery of 1–3 business days after dispatch. GST invoices are available on request.

What safety protections and charge indicators does this replacement battery have?

The existing specification confirms 18V lithium-ion chemistry and a listed 5.0Ah capacity. It does not specify individual protection circuits or an LED charge indicator, so those features should not be assumed. Follow the supplied manual and use only confirmed compatible charging equipment.

Battery care and safe handling

Do not use or charge a battery that is damaged, swollen, leaking or unusually hot. Keep terminals away from loose metal objects, protect the pack from moisture and excessive heat, and follow the supplied manual. Product photos are for reference.